| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c1cd6051bf69f25a0652ded4e4edac31 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-448
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D237-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D209-48
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D237-30 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-44 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D237-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-448
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D237-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-48 |
| filingDate |
1970-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1973-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
GB-1315521-A |
| titleOfInvention |
Hydrazides |
| abstract |
1315521 Hydrazides FISONS Ltd 19 April 1971 [6 Jan 1970] 561/70 Heading C2C Cyclic carboxylic acid hydrazides are prepared by reacting a dicarboxylic acid or the anhydride thereof with an azine. Preferable acids are maleic acid, succinic acid, phthalic acid and α,#-naphthalene dicarboxylic acid. The azines which could advantageously be used are: dimethyl ketazine, methyl ethyl ketone azine, methyl propyl ketone azine and cyclohexanone azine. The examples describe the preparation of maleic hydrazide and phthalic hydrazide. |
| priorityDate |
1970-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |